mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
249 lines
8.5 KiB
C#
249 lines
8.5 KiB
C#
/********************************************************************************************
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Copyright (c) Microsoft Corporation
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All rights reserved.
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Microsoft Public License:
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This license governs use of the accompanying software. If you use the software, you
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accept this license. If you do not accept the license, do not use the software.
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1. Definitions
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The terms "reproduce," "reproduction," "derivative works," and "distribution" have the
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same meaning here as under U.S. copyright law.
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A "contribution" is the original software, or any additions or changes to the software.
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A "contributor" is any person that distributes its contribution under this license.
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"Licensed patents" are a contributor's patent claims that read directly on its contribution.
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2. Grant of Rights
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(A) Copyright Grant- Subject to the terms of this license, including the license conditions
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and limitations in section 3, each contributor grants you a non-exclusive, worldwide,
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royalty-free copyright license to reproduce its contribution, prepare derivative works of
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its contribution, and distribute its contribution or any derivative works that you create.
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(B) Patent Grant- Subject to the terms of this license, including the license conditions
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and limitations in section 3, each contributor grants you a non-exclusive, worldwide,
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royalty-free license under its licensed patents to make, have made, use, sell, offer for
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sale, import, and/or otherwise dispose of its contribution in the software or derivative
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works of the contribution in the software.
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3. Conditions and Limitations
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(A) No Trademark License- This license does not grant you rights to use any contributors'
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name, logo, or trademarks.
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(B) If you bring a patent claim against any contributor over patents that you claim are
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infringed by the software, your patent license from such contributor to the software ends
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automatically.
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(C) If you distribute any portion of the software, you must retain all copyright, patent,
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trademark, and attribution notices that are present in the software.
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(D) If you distribute any portion of the software in source code form, you may do so only
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under this license by including a complete copy of this license with your distribution.
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If you distribute any portion of the software in compiled or object code form, you may only
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do so under a license that complies with this license.
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(E) The software is licensed "as-is." You bear the risk of using it. The contributors give
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no express warranties, guarantees or conditions. You may have additional consumer rights
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under your local laws which this license cannot change. To the extent permitted under your
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local laws, the contributors exclude the implied warranties of merchantability, fitness for
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a particular purpose and non-infringement.
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********************************************************************************************/
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using System;
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using System.Collections;
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using System.ComponentModel;
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namespace Microsoft.VisualStudio.Project
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{
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/// <summary>
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/// The purpose of DesignPropertyDescriptor is to allow us to customize the
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/// display name of the property in the property grid. None of the CLR
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/// implementations of PropertyDescriptor allow you to change the DisplayName.
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/// </summary>
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public class DesignPropertyDescriptor : PropertyDescriptor
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{
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private string displayName; // Custom display name
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private PropertyDescriptor property; // Base property descriptor
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private Hashtable editors = new Hashtable(); // Type -> editor instance
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private TypeConverter converter;
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override string DisplayName
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{
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get
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{
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return this.displayName;
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}
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override Type ComponentType
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{
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get
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{
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return this.property.ComponentType;
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}
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override bool IsReadOnly
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{
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get
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{
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return this.property.IsReadOnly;
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}
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override Type PropertyType
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{
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get
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{
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return this.property.PropertyType;
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}
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override object GetEditor(Type editorBaseType)
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{
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object editor = this.editors[editorBaseType];
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if(editor == null)
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{
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for(int i = 0; i < this.Attributes.Count; i++)
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{
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EditorAttribute attr = Attributes[i] as EditorAttribute;
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if(attr == null)
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{
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continue;
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}
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Type editorType = Type.GetType(attr.EditorBaseTypeName);
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if(editorBaseType == editorType)
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{
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Type type = GetTypeFromNameProperty(attr.EditorTypeName);
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if(type != null)
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{
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editor = CreateInstance(type);
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this.editors[type] = editor; // cache it
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break;
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}
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}
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}
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}
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return editor;
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}
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/// <summary>
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/// Return type converter for property
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/// </summary>
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public override TypeConverter Converter
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{
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get
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{
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if(converter == null)
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{
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PropertyPageTypeConverterAttribute attr = (PropertyPageTypeConverterAttribute)Attributes[typeof(PropertyPageTypeConverterAttribute)];
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if(attr != null && attr.ConverterType != null)
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{
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converter = (TypeConverter)CreateInstance(attr.ConverterType);
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}
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if(converter == null)
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{
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converter = TypeDescriptor.GetConverter(this.PropertyType);
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}
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}
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return converter;
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}
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}
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/// <summary>
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/// Convert name to a Type object.
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/// </summary>
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public virtual Type GetTypeFromNameProperty(string typeName)
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{
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return Type.GetType(typeName);
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override bool CanResetValue(object component)
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{
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bool result = this.property.CanResetValue(component);
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return result;
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override object GetValue(object component)
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{
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object value = this.property.GetValue(component);
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return value;
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override void ResetValue(object component)
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{
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this.property.ResetValue(component);
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override void SetValue(object component, object value)
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{
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this.property.SetValue(component, value);
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}
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/// <summary>
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/// Delegates to base.
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/// </summary>
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public override bool ShouldSerializeValue(object component)
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{
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bool result = this.property.ShouldSerializeValue(component);
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return result;
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}
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/// <summary>
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/// Constructor. Copy the base property descriptor and also hold a pointer
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/// to it for calling its overridden abstract methods.
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/// </summary>
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public DesignPropertyDescriptor(PropertyDescriptor prop)
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: base(prop)
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{
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if (prop == null)
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{
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throw new ArgumentNullException("prop");
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}
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this.property = prop;
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DisplayNameAttribute attr = prop.Attributes[typeof(DisplayNameAttribute)] as DisplayNameAttribute;
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if(attr != null)
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{
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this.displayName = attr.DisplayName;
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}
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else
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{
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this.displayName = prop.Name;
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}
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}
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}
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}
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